Finding the Fourth Proportional to 71,130.15, 106,750.17 and 26,797.23
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Solution
The fourth proportional to 71,130.15, 106,750.17 and 26,797.23 is: 40,216.54
Step by Step Solution
- Step 1: Write the proportion equation
71,130.15 : 106,750.17 = 26,797.23 : x - Step 2: Convert to fraction form
71,130.15/106,750.17 = 26,797.23/x - Step 3: Cross multiply
71,130.15x = 106,750.17 × 26,797.23 - Step 4: Simplify right side
71,130.15x = 2,860,608,858.03 - Step 5: Solve for x
x = 2,860,608,858.03/71,130.15 - Step 6: Final answer
x = 40,216.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.